南海 なんかいトラフ巨大 きょだい地震 じしん
nankaitorafu kyodai jishinde

Noun
Da Copula

て-form: Used to connect clauses, make requests, or chain actions of 南海トラフ巨大地震

1. Nankai Trough mega-earthquake ; By the Nankai Trough mega-earthquake; Following the Nankai Trough mega-earthquake

Te-Form